*{
    box-sizing:border-box
}
body{
    display:grid;
    grid-template-columns:1fr 2fr 1fr;
    background-color:cornflowerblue;
    padding:10px;
}
body>section{
    grid-column:auto;
    background-color:white;
    margin:10px;
    padding:10px;
}
.title{
    grid-column:1/4;
    text-align:center;
}
.board{
    grid-column:1/4;
}